public bool Delete(int itemId)
        {
            var dbContext = new ShoppingListDbContext();

            var itemSqlDatabase = new ItemSqlStorage(dbContext);

            return(new Item().DeleteItem(itemId, itemSqlDatabase));
        }
        public Item AddUpdate(Item item)
        {
            var dbContext = new ShoppingListDbContext();

            var itemSqlDatabase = new ItemSqlStorage(dbContext);

            var itemToUpdate = itemSqlDatabase.GetById(item.Id);

            itemToUpdate.AddUpdateItem(item, itemSqlDatabase);
            return(itemToUpdate);
        }